nav {
  padding: 0.825rem 0;
}
#first-block, #second-block, #third-block, #fourth-block {
  padding:4.5rem 0;
}
#carousel {
  background:#f8f8f8;
}
#first-block {
  background:#fff;
}
#second-block {
  background:#f8f8f8;
}
#third-block {
  background:#fff;
}
#fourth-block {
  background:#f8f8f8;
}
footer {
  background:#fff;
  padding:3.5rem 0;
}
@media screen and (max-width: 768px) {
  .right {
  float:none;
  }
}